Home / 1,005,912.24-1,388,187.96-553,232.40

Finding the Fourth Proportional to 1,005,912.24, 1,388,187.96 and 553,232.40

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Solution

The fourth proportional to 1,005,912.24, 1,388,187.96 and 553,232.40 is: 763,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,912.24 : 1,388,187.96 = 553,232.40 : x
  2. Step 2: Convert to fraction form
    1,005,912.24/1,388,187.96 = 553,232.40/x
  3. Step 3: Cross multiply
    1,005,912.24x = 1,388,187.96 × 553,232.40
  4. Step 4: Simplify right side
    1,005,912.24x = 767,990,556,761.90
  5. Step 5: Solve for x
    x = 767,990,556,761.90/1,005,912.24
  6. Step 6: Final answer
    x = 763,476.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.